Potato exports guide

Information on the conditions and phytosanitary requirements for the export of Scottish potatoes, where known by country.

Sierra Leone

Seed potatoes (updated 19 May 2021)

Growing crop tolerances

Class tolerances apply, except for: 

  • Virus: NIL
  • Blackleg (Pectobacterium carotovorum var atrosepticum): NIL
  • Blight: NIL

Tuber tolerances

  • Minimum tolerances for seed export apply, except for:
  • Silver scurf (Helminthosporium solani (shrivelled or dehydrated tubers): NIL
  • Gangrene (Phoma exigua var foveata): NIL
  • Blackleg (Pectobacterium carotovorum var atrosepticum): NIL
  • Blight: NIL
  • rot diseases NIL
  • Virus: NIL
  • Soil: practically free from soil or other plant debris

Other requirements

  • Bilateral quarantine arrangement is required for importation.
  • Import permit: required
  • Class: up to FG6 is accepted
  • Varieties: must be listed in ECOWAS seed catalogue
  • Packaging: Only new, unused packing materials are allowed. All containers should be practically free from soil and sand. If wood packaging is used (e.g. boxes, pallets), this should be treated and certified. Wood material should comply with International Standards for Phytosanitary Measures (ISPM 15) on wood packaging.
  • Treatments: any treatment applied must be clearly stated on the phytosanitary certificate.

Procedures upon arrival

All consignments will be inspected upon arrival and a representative sample (400 tubers) will be taken for laboratory testing. Laboratory testing includes serological and molecular testing for Pectobacteria and Dickeya spp. and Virus. 
Post-entry quarantine: imported consignments shall be planted on specified farms (importers farms) under open quarantine conditions in the national certification scheme for one season to monitor for regulated pests.

Additional declarations to be included on the reverse of the phytosanitary certificate for seed potatoes

  • Potato Ring Rot (Clavibacter michiganensis ssp. sepedonicus) is not known to exist in Scotland.
  • Potato wart disease (Synchytrium endobioticum) is not known to have occurred on the land on which the potatoes were grown.
  • The field in which the potatoes were grown was tester prior to planting to ensure freedom from Potato cyst nematodes (Globodera rostochiensis and G. pallida)
  • Potatoes within this consignment meet the minimum Scottish export standard and the additional requirements laid out by the Sierra Leone officials.
  • The consignment is intended only for cultivation and it does not contain GMOs.


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